1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef __VSNPRINTFP_S_H__ 17 #define __VSNPRINTFP_S_H__ 18 19 #include "hilog_common.h" 20 21 #include <stddef.h> 22 #include <stdarg.h> 23 /** 24 * @Description: The vsnprintfp_s function is equivalent to the vsnprintf function except for the parameter destMax/count 25 * and the explicit runtime-constraints violation 26 * @param strDest - produce output according to a format ,write to the character string strDest 27 * @param destMax - The maximum length of destination buffer(including the terminating null byte ('\0')) 28 * @param count - do not write more than count bytes to strDest(not including the terminating null byte ('\0')) 29 * @param priv_on - if true, any not %{public} prefix formatter arguments will be printed as "<private>" 30 * @param format - format string 31 * @param arglist - instead of a variable number of arguments 32 * @return:return the number of characters printed(not including the terminating null byte ('\0')), 33 * If an error occurred return -1.Pay special attention to returning -1 when truncation occurs 34 */ 35 HILOG_LOCAL_API 36 int vsnprintfp_s(char *strDest, size_t destMax, size_t count, int priv, const char *format, va_list arglist); 37 38 #endif /* __VSNPRINTFP_S_H__ */ 39